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Finding the Fourth Proportional to 17,797.28, 26,702.28 and 7,935.68

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Solution

The fourth proportional to 17,797.28, 26,702.28 and 7,935.68 is: 11,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,797.28 : 26,702.28 = 7,935.68 : x
  2. Step 2: Convert to fraction form
    17,797.28/26,702.28 = 7,935.68/x
  3. Step 3: Cross multiply
    17,797.28x = 26,702.28 × 7,935.68
  4. Step 4: Simplify right side
    17,797.28x = 211,900,749.35
  5. Step 5: Solve for x
    x = 211,900,749.35/17,797.28
  6. Step 6: Final answer
    x = 11,906.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.